Always verify the mounting hole pattern against the existing motor frame before installation

This 24V spring return actuator provides a minimum 61 lb-in torque (271 N force)

Avoid touching the quartz glass with bare hands

and Ultra Commercial models

an electrical suppressor to mitigate signal interference

Hydrotherm 60-5645 Control Panel Overlay 30067439-890 Always verify the mounting holeThe Hydrotherm 60 5645 Control Panel Overlay is a critical interface component specifically engineered for Hydrotherm KN 4 boiler systems. Designed for precise fitment on the KN series cast iron condensing boiler, this OEM replacement overlay ensures that display readouts and control icons remain legible for accurate diagnostic monitoring. In the field, high efficiency condensing units like the KN 4 rely on clear visual feedback for HeatNet control